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Association between somatic cell count after first parturition and cumulative milk yield in dairy cows

Archer, Simon C.; McCoy, Finola; Wapenaar, Wendela; Green, Martin J.

Authors

Simon C. Archer simon.archer@nottingham.ac.uk

Finola McCoy

Wendela Wapenaar wendela.wapenaar@nottingham.ac.uk

Martin J. Green martin.green@nottingham.ac.uk

Abstract

The aim was to assess the association between the somatic cell count of parity 1 cows between 5 and 30 days in milk (SCC1), and subsequent cumulative milk yield over approximately two years for cows in English and Welsh dairy herds. The dataset included records from 43,461 cows in 2111 herds, from 2004 to 2006. Cumulative milk yield was the model outcome, and a random effect was included to account for variation between herds. The model fitted the data well and was used to make predictions of cumulative milk yield, based on SCC1. A unit increase in the natural logarithm of SCC1/1000 was associated with a median decrease in cumulative milk yield of 482 kg, over a median study period of 868 days.

Journal Article Type Article
Publication Date Oct 5, 2013
Journal Veterinary Record
Print ISSN 0042-4900
Electronic ISSN 0042-4900
Publisher BMJ Publishing Group
Peer Reviewed Peer Reviewed
Volume 173
Issue 13
Institution Citation Archer, S. C., McCoy, F., Wapenaar, W., & Green, M. J. (2013). Association between somatic cell count after first parturition and cumulative milk yield in dairy cows. Veterinary Record, 173(13), doi:10.1136/vr.101558
DOI https://doi.org/10.1136/vr.101558
Publisher URL http://veterinaryrecord.bmj.com/content/173/13/316.full
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0

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